Classifications

• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
  • G05B23/00—Testing or monitoring of control systems or parts thereof
  • G05B23/02—Electric testing or monitoring
  • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
  • G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
  • G05B23/0267—Fault communication, e.g. human machine interface [HMI]
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
  • G05B2223/00—Indexing scheme associated with group G05B23/00
  • G05B2223/06—Remote monitoring

Definitions

• the invention relates generally to material dispensing and application systems. More particularly, the invention relates to monitoring and/or controlling such systems from remote locations such as a field site or a production/manufacturing site.
• Background of the Invention Material application systems may be broadly categorized as liquid or powder dispensing systems.
• Liquid dispensing systems may include, though not be limited to, adhesives, sealants, caulks, paint, adhesives, conformal coatings, lacquers, powder slurries and so forth.
• Powder dispensing systems may include powder paint coatings and other non-paint materials in powder form such as lubricants (for example, powdered graphite) and food additives such as flavorings and coatings for example; and powdered superabsorbants such as may be applied to diapers.
• Application systems can be rather complex systems in terms of various control and safety functions. Such systems include an array of one or more dispensing guns or devices, pumps, material feed centers and overspray recovery systems.
• Some dispensing application systems include electrostatic spraying devices and most use pneumatic pressure as part of the application process. Many parameters may be monitored and adjusted including pressure of the liquid being dispensed, flow rates, temperature, electrostatic voltage and current, air pressure, material pressure, flow rates, gun position, pump flow rates and so forth. Also, material may be dispensed onto parts in a stationary condition or while moving via a conveyor system. Thus, an application system may include a number of sensors for position and speed control of the conveyor system, as well as sensors associated with triggering control of the dispensing devices. [0005] Heretofore, the process of controlling and monitoring/maintaining material application systems has been accomplished by time consuming and personnel intensive processes.
• a customer or purchaser might first visit the manufacturer's site to observe the different application systems available and witness various demonstrations. A system is then recommended based on the needs of the customer. The system is then installed and operated locally. If problems occur, typically a field service representative is then called out to the customer's site for troubleshooting and/or repair. Historical records of system performance and data histories, however, are typically site or customer specific, other than the possible feedback by the service representative to the manufacturing site.
• a system for monitoring and controlling a material dispensing system includes a user interface remotely located from the dispensing system, a communication network and a wireless network that connects the dispensing system to the communication network.
• a method for monitoring and controlling a material dispensing system is provided. The method includes the steps of connecting a remote user to a communication network and wirelessly connecting the dispensing system to the communication network.
• a system for monitoring a material dispensing system is provided. The system includes a dispensing system, a controller connectable to a wireless network, a communication network that is connectable to the wireless network and a remote user connectable to the commumcation network.
• a system for monitoring a material dispensing system having a plurality of application system monitoring modules includes a wireless communication link for each module and a wireless access point wirelessly communicating with each module.
• a system for monitoring a material dispensing system having a plurality of application system monitoring modules includes a web server and a wireless communication link for each module and a wireless access point wirelessly communicating with each module.
• a system for remotely monitoring a material dispensing system includes an application system controller coupled to a web interface card adapted for communicating with an external network.
• a system for monitoring a material dispensing system by a remote user includes at least one controller having a web server communicating with the remote user via the internet.
• a method for remotely monitoring a material dispensing system includes the step of providing at least one web page on an external network created by a web server coupled to a controller, the web page containing at least one piece of information regarding the status of the customer.
• Fig. 1 is an exemplary system diagram of a system for remotely monitoring and controlling a material dispensing system.
• Fig. 2 is an exemplary system diagram of various exemplary application monitor functions for a system for remotely monitoring and controlling a material dispensing system.
• Fig. 3 is an exemplary system diagram of a system for remotely monitoring a material dispensing system.
• the invention contemplates an information exchange system 10 that facilitates remote monitoring and control of a material application system 12 located at a customer production or usage site.
• Such production sites are typically geographically remote or distant from the manufacturing site of the manufacturer of the material application system.
• a customer may also have a number of production and support sites that are geographically remote from each other.
• a customer support site may include purchasing, production engineering and so forth.
• remote access is not to be construed in terms of geographical distance, but more generally to the idea of providing access at a location that is separate from the site or locus of the material application system.
• a remote location may be a different country, state, city, building or location within a building that contains the application system.
• the exemplary embodiments of the present invention are described in the context of an Internet based information exchange or network system, those skilled in the art will appreciate that the Internet is but one example of an open undedicated communication system or network that may be used to practice the present invention. Additionally, dedicated communication links via land wire and wireless modem connections, optical communication systems, satellite communications and so forth are just a few examples of data and information exchange communication systems that may also be used with the present invention.
• the Internet for example, provides the ability to access information across the open network from virtually any location in the world.
• the present invention may be used in a wide variety of material application systems, including but not limited to adhesives, sealants, coatings, powder spraying systems and liquid spraying systems, and further may be used in connection with the application of material to a wide variety of articles such as but not limited to boxes, cartons, packages, car parts, electronic components, metal parts, non-metal parts, cans and other containers including biodegradable containers, and so forth.
• material application systems including but not limited to adhesives, sealants, coatings, powder spraying systems and liquid spraying systems
• articles such as but not limited to boxes, cartons, packages, car parts, electronic components, metal parts, non-metal parts, cans and other containers including biodegradable containers, and so forth.
• the various aspects of the invention may be used individually or in any number of various combinations in a particular system based on the particular needs of the customer.
• the terms "customer” and “user” are used interchangeably herein and in a broad sense to identify anyone having access to the various features of the system.
• An exemplary liquid dispensing system having remote Internet access for control and monitoring functions with which the present invention may be used is described in United States Patent Application Publication No. US 2002/0198609A1 published on December 26, 2002, the entire disclosure of which is fully incorporated herein by reference.
• the system 10 includes a customer manufacturing or production site 12 that may include one or more dispensing systems or system requirements.
• the production site 12 may include one or more (up to N) application system monitoring modules 14a-14N- Exemplary systems 14 include but are not limited to PROBLUETM, DURABLUETM and VERSABLUETM brand dispensing systems available from Nordson Corporation, Westlake, Ohio.
• the monitoring modules 14 are realized in a conventional manner using a number of sensors, gauges, detectors, controllers, actuators, valves, pumps and so forth.
• each application system 14 is treated as a node in that a separate controller is used in each application system 14 to control the operations thereof.
• the various systems 14 may also be interconnected or linked to a local primary control system (with possibly one or more local secondary controllers) such as a programmable logic controller (PLC) or other suitable control system at the customer's production facility 12.
• a local primary control system such as a programmable logic controller (PLC) or other suitable control system at the customer's production facility 12.
• PLC programmable logic controller
• the monitoring modules 14 thus utilize a number of interactive system components that are provided by the manufacturer (“M”) or other supplier, for example, to permit local monitoring and control functions via a controller. Examples of such a local monitoring and control system is described in United States Patent Nos. 6,132,511 and 5,167,714 the entire disclosures of which are fully incorporated herein by reference. Such patents may be referred to for details of a typical local control system but should not be construed as limiting of the present invention.
• local control systems are well known to those skilled in the art and a detailed description thereof herein is not necessary to the understanding and practice of the present invention.
• local it is simply meant that the control and monitoring functions are implemented within the customer's site, but may include the feature of dedicated LAN and WAN systems and other dedicated closed networked systems within the production site 12 and possibly linked to other dedicated closed network systems of the customer.
• Each application system 14 internally executes various control and monitoring functions as required by the customer, thereby generating data 16 and control functions 18.
• each material application system also serves as a node 20 (or a client) to a wireless network 22.
• Each node 20a through 20N includes a wireless communication link A to an access point 24, which for example may be realized in the form of a wireless network router 24.
• Access point 24 is any suitable wireless device for facilitating wireless communication among and between nodes 20a through 20 N , including but not limited to a router, hub or a switch.
• Access point 24 is configured in any suitable number of devices to facilitate a communication among the nodes (e.g., multiple linked routers for a large number of nodes).
• Access point 24 provides any suitable services for facilitating wireless communication between the nodes, including but not limited to address direction and bandwith allocation.
• a significant advantage of this configuration is that the access point 24 is easily movable and positioned within the user's facility.
• the access point 24 may be placed in a suitable cabinet or enclosure and placed at a location on the shop floor or on a wall or other support that allows the access point 24 to communicate wirelessly with each node 20.
• the access point 24 can easily then be removed for maintenance or moved to additional locations as the production site changes.
• the particular wireless network 22 utilized will be selected based on the communication requirements of the customer.
• the selected wireless system 22 will be determined by the number of nodes that are to be interconnected and the speed of communication desired, as well as the communication needs back to the manufacturing site M.
• the manufacturing site M may alternatively be a product support site, a repair and maintenance facility and so on to name a few examples.
• access point 24 additionally communicates with a customer-external communication network, such as for example the Internet.
• Internet access is achieved by any suitable mechanism, including, but not limited to, a T-3 line, a T-l line, a modem, wireless internet, ' Ethernet, or any suitable Internet connection provided by an ISP.
• Nodes 20a through 20 N are thus accessible via the Internet directly, as, for example, via a peer-to-peer exchange.
• Nodes 20a through 20 N each have a static Internet Protocol ("IP") address or optionally have dynamically-issued IP addresses (e.g., if access point 24 is a router or a hub plus a proxy server).
• IP Internet Protocol
• Access point 24 optionally has a static IP address and optionally dynamically generates IP addresses for each node 20a through 20 N. It will be appreciated that each node 20a through 20 N s thus directly addressable on the Internet, whether directly via a static IP address or dynamically via an IP address generated by access point 24 (which optionally has its own static IP address) or upstream of the Internet connection by the ISP.
• Use of the Internet as part of a remote control and monitoring function is also described in published United States Patent Application US2002-0047051 published on April 25, 2002, the entire disclosure of which is fully incorporated herein by reference, as well as the above referenced application publication. Reference may be made to these applications for exemplary concepts for remote monitoring and control, however, this is but one of many different examples and configurations that may be used.
• the access point 24 communicates with a web server 26 that is connectable to the Internet as is well known in the art.
• Server 26 and access point 24 communicate in any suitable manner.
• access point 24 and server 26 may comprise system 50 which communicates via cables, wireless or other suitable connection (such as connecting a router as access point 24 to an Ethernet port in a personal computer as server 26).
• a suitable web server that can be utilized with the invention and is very small and easy to install is an iPicTM web server as designed by The University of Massachusetts. The web server may further be incorporated into the access point 24 as another alternative.
• Server 26 is incorporated with one or a plurality of systems 14.
• each system 14a through 14n optionally has a Server 26.
• Each Server 26 is optionally incorporated with the wireless node 20 of each system 14.
• Each Server 26 and each wireless node 20 of each system 14 is optionally integrated into a single board which communicates with system 14.
• a suitable board combining both a Server 26 and a wireless node 20 is an AnyBus board available from HMS Industrial Networks.
• An AnyBus board generally includes an on-board microprocessor, dual port RAM, a cache of cyclic I/O data (e.g., 512 bytes), a mailbox interface (e.g., 2048 bytes) and a f ⁇ eldbus interface which handles the fieldbus protocol separately and supports the protocol used by the controller of the dispensing system.
• the webserver on board the AnyBus generally supports SSI scripting for performing function calls for collecting data from the dual-port RAM and for presenting such data dynamically on a served web page while information is continually written to the dual port RAM from the controller.
• the webserver may also serve graphical information or any other information suitably served over the world wide web, including JAVA-based web pages and web page components.
• Server 26 and/or system 50 are optionally connected to the Internet or any suitable external communication network via access point 24 or any other suitable Internet connection mechanism.
• Server 26 creates at least one web page regarding systems 14a through 14 N and makes the page available via the Internet.
• the web page (or pages) optionally provides information regarding data 16 and/or control functions 18.
• the web page further facilitates receipt from a user M of information and/or command controls for systems 14a through 14 N .
• the Internet then provides a distributed open network that allows manufacturer representatives, technicians, engineers and so on to monitor operation of each application system 14 via web page interfaces.
• the application systems 14 may be controlled via this Internet link.
• the Internet is a preferred communication network, dedicated network communication systems may alternatively be used.
• Server 26 may be realized based on a WindowsTM style or other suitable platform (such as, e.g., a PalmTM-based or MacTM-based platform) that provides data and other information that is accessible via a web site and web page links accessible through the Internet.
• a suitable server platform is the server platform used by the Anybus board.
• a top level web site is a publicly accessible web site including one or more web pages maintained on Server 26 which is optionally under the control of the manufacturer M.
• Specific customer information and data available from Server 26 is optionally accessed only through a secure customer-specific web page link from the main page of the site server by Server 26 or is optionally a password protected site.
• Fig. 2 illustrates an exemplary remote monitoring and control function that may be implemented with the present invention.
• the system allows a remote service technician, engineer or other authorized individual to collect data from one or more of the material application systems 14 and optionally send control commands thereto.
• each application system 14 includes a local dispensing device controller 30 that may communicate with a system controller 32.
• the device controller 30 may alternatively be incorporated into the system controller 32.
• the local controller 30 and/or system controller 32 may also include control functions for conveyors, material supplies and so on.
• the system controller 32 may also receive one or more inputs from various sensors 34 as well as a part ID controller 36 for example. Any number of a wide variety of monitoring and control functions may be carried out with the present invention and the exemplary embodiments herein should not be construed in a limiting sense.
• the system controller 32 includes the wireless node transmitter 20 which wirelessly communicates to the access point or router 24.
• the access point 24 further then communicates wirelessly with a web server 26 that is connectable to the Internet.
• FIG. 3 illustrates an exemplary remote monitoring system of the present invention for a hot melt system.
• Figure 3 illustrates an embodiment of the present invention with a hot melt system
• the exemplary illustrations herein are not limited to a hot melt system, but are applicable to any suitable material dispensing system, including but not limited to the material dispensing systems referenced herein.
• Hot melt system 60 having a web interface card 70, wireless access point 24 and Internet connectivity.
• Hot melt system 60 includes one or more manifolds (or one or more service blocks) 62 having one or more dispensing guns 64, a melter 66 and a controller 68.
• Manifold 62 is connected to melter 64 by hose 63.
• Controller 68 is electrically connected to melter 66 by any suitable means, and may be integral therewith.
• Controller 68 includes at least one web interface card 70.
• Web interface card 70 may optionally be integrated with melter 66.
• Web interface card 70 includes wireless node 20 and Server 26.
• the web interface card 70 optionally includes a wired node (not shown).
• a suitable web interface card is the AnyBus board described previously herein.
• Wireless node 20 is configured to wirelessly communicate with wireless access point 24 as described previously herein.
• the wireless access point 24 is connected to the Internet 80 (Internet connectivity) by any suitable means, including but not limited to an internet gateway 72.
• Server 26 exchanges information with controller 68 regarding the hot melt system 60, optionally including information regarding the guns 64, the manifold 62 and the melter 66.
• Server 26 communicates with Internet 80 by sending and receiving transmissions to and from wireless access point 24.
• wireless access point 24 uses Internet gateway 72 to access Internet 80.
• Internet gateway 72 is any suitable access to the Internet, including but not limited to Internet access as described herein, such as a gateway via a Tl line.
• each controller for a single hot melt system
• multiple controllers for multiple hot melt systems can optionally implement the present invention.
• a web access card can be included in each controller for each manifold for each hot melt system.
• each manifold which has a controller has a Server 26 connected thereto and exchanging information therewith.
• each hot melt system has a controller which has a web access card.
• each hot melt system has a Server 26 connected thereto and exchanging information therewith.
• Wireless access point 24 is optionally configured to communicate with a plurality of web interface cards 70.
• a plurality of controllers communicate via the wireless node 20 of each web interface card 70 associated with each controller with wireless access point 24.
• the number of controllers which communicate via wireless access point 24 may be increased or decreased within the capabilities of the wireless access point (e.g., if the wireless access point can facilitate communication with up to twelve wireless nodes, anywhere from one to 12 controllers may communicate via the wireless access point).
• the controllers may further be moved within the functional range of the wireless access point (e.g., if a wireless node/wireless access point combination has a transmission range of 1000 feet, the nodes using this combination may be moved anywhere within a 1000 foot radius of the wireless access point).
• Wireless commumcation as described herein is optionally encrypted for safe transfer and/or to secure transmitted data. Any suitable encryption mechanism may be so used. For example, wherein wireless communication is facilitated by packet transfer(s), each packet is optionally encrypted. As such, data may be wirelessly communicated securely without use of a virtual private network or a dedicated connection.
• Each Server 26 is capable of transmitting and receiving information regarding hot melt system 60 via the Internet by any suitable means, including but not limited to serving html pages containing such information and issuing one or more emails regarding such information.
• a manufacturer of the hot melt system 100 communicates with at least one hot melt system 60 via the Internet 80 via at least one Server 26.
• Manufacturer 100 accesses the Internet by any suitable method, including but not limited to Internet gateway 100.
• Manufacturer optionally includes one or more technical workstations 106, one or more global servers 108, one or more customer databases 104 and optionally communicates with one or more field technicians 110.
• a technical workstation 106 is a computer, series of computers and/or a computer system configured to receive and/or transmit information to one or more Servers 26 of the hot melt system 60 via the Internet 80.
• a global server 108 is a computer, series of computers and/or a computer system configured to coordinate the manufacturer's 100 interaction with one or more Servers 26.
• a customer database 100 is any suitable database containing information relating to one or more hot melt systems accessible via one or more Servers 26.
• a field technician 100 is an expert charged with diagnosing and implementing technical fixes, updates, upgrades and/or other servicing of a hot melt system 60.
• system 60 is wirelessly accessed by hand-held computing device 111.
• Hand-held computing device is any portable computing device which is capable of wirelessly communicating with system 60, for example by wirelessly communicating with wireless access point 24, communicating with system 60 via an internet connection with the internet 80, or via communication with manufacturer 100.
• Suitable hand-held computing devices include, but are not limited to, "palm" computers or PDA's generally available from Palm, Hewlett Packard, Apple, etc.
• Such hand-held computing devices may optionally include wireless communication ability adapted to wirelessly communicate with, for example, the internet, a wireless access point 24 directly, or system 60 via a link with manufacturer 100.
• Such hand-held computing devices may also optionally include software and/or hardware adapted to communicate with a system 60.
• an "off the shelf hand-held device optionally includes software and/or hardware adapted to facilitate communication with system 60 via a wireless access point 24 or, optionally, with one or more wireless nodes 20.
• Hand-held device 111 may optionally be a proprietary portable computing device adapted for wireless communication with system 60.
• Field technicians 110 are thus capable of wirelessly accessing system
• hand-held device 111 exemplifies communication between a field technician and a system 60 via a hand-held device 111
• a field technician optionally accesses system 60 via any suitable connection, including but not limited to via a work station 106 or other suitable computing device.
• any individual optionally accesses system 60 via a handheld device 111.
• a hand-held device is optionally used by a representative of a customer who uses system 60 (e.g., a customer technician) to wirelessly communicate with system 60.
• hand-held device 111 is optionally adapted to wirelessly communicate with more than one entity.
• a hand-held device 111 is adapted to wirelessly communicate directly with a wireless access point 24 and further adapted to wirelessly communicate with the Internet and/or a wireless communication network of manufacturer 100.
• a user of such a hand-held device optionally wirelessly communicates with both system 60 directly and manufacturer 100 directly (or via the Internet).
• Such a user optionally may both monitor/control system 60 and access the global server 108 and customer database 104 of manufacturer 100.
• one or more hot melt systems 60 are connected and live at all times to the Internet 80 via one or more Servers 26 implemented in one or more web interface cards 70.
• the Server 26 may receive information from the controller 68 regarding information relating to the operations of the hot melt system 60 and/or components thereof and post this information to the Internet via at least one served web page.
• information also, operational events
• Such information include but is not limited to sensor information, temperature, pressure (including tank and/or nozzle), system settings, bead or disposition monitoring and accumulative cycles count as an indication of predicted failure.
• Such information is thus accessible by the customer, manufacturer and field engineer via any Internet connection.
• Server 26 included alarm logic.
• Alarm logic includes any suitable steps, methods, processes and/or software for Server 26 to transmit a signal and/or other information in response to a triggering element.
• one or more Servers 26 can issue an alarm via the Internet by any suitable means, such as via an email or via a special posting to a served webpage.
• alarm may be received by any suitable monitoring personnel, such as, e.g., a field engineer or an employee of the manufacturer working at a technical work station 106 who is charged to look for such alarms.
• the alarm optionally includes diagnostic information to aid in the analysis of the reported instance.
• the monitoring personnel can contact the customer to alert regarding the instance.
• the monitoring personnel can also begin corrective action by any suitable method, including via an on-site trip by a field engineer or via transmission of operating parameters to Server 26 for download to controller 68 in order to change one or more operating parameters of the hot melt system 60.
• One or more customer databases 104 may be accessed to retrieve information regarding the hot melt system which is the subject of the alarm. Such information may assist in the analysis of the instance. Information regarding the alarm may further by stored in the customer database for future analysis.
• Server 26 optionally includes email logic.
• Email logic includes any suitable steps, methods, processes and/or software for Server 26 to transmit one or more emails in response to the occurrence of one or more events.
• the Server 26 is optionally configured with predefined email messages and programmed to send one or more of these messages upon the occurrence of one or more predefined events.
• an AnyBus card facilitates storage of twenty predefined emails which can be sent from Server 26 of the AnyBus card.
• Server 26 upon the occurrence of a pre-defined event, Server 26 sends a predefined email message to an appropriate recipient at the manufacturer 100 (e.g., a technical service representative at a technical work station 106).
• the recipient optionally forwards the email to another appropriate recipient, such as, e.g., a field engineer and/or the customer.
• the manufacturer recipient also optionally takes corrective action by transmitting information and/or commands to Server 26, by ordering parts or by scheduling on site repair.
• Server 26 includes monitoring logic.
• Monitoring logic includes any suitable steps, methods, processes and/or software for monitoring system status and/or performing system quality checks. For example, continuous quality checks are optionally performed on all components of the hot melt system 63 via information provided by Server(s) 26. Information served by each Server 26 is monitored on a routine basis and all served information examined. Such monitoring is performed by any suitable entity, including but not limited to employees of the manufacturer 100 via technical work station(s) 106. For example, an employee accesses Server 26 information via the Internet 80 via a technical work station 106.
• corrections to the hot melt system may be made by the monitoring entity by any suitable means, including but not limited to uploading a software change to the Server 26, the controller 68 and/or any other software-controlled system element, ordering suitable replacement parts for repair, sending a field engineer or notifying the customer to take certain actions.
• Server 26 includes web input logic.
• Web input logic includes any suitable steps, methods, processes and/or software for facilitating input from a remover user.
• one or more Servers 26 are configured to contact one or more entities in the event of a predefined event, such as, e.g., an alarm or a downtime event. Such contact is effectuated by Server 26 in any suitable manner, including but not limited to by email, by voice mail and by phone call routed through manufacturer 100 to the customer.
• one or more Servers 26 serve at least one web page including a web form for receiving information.
• a recipient of the web page with a web form such as a manufacturer's technician at a technical work station 106, optionally enters information regarding hot melt system operation into the web form.
• Server 26 receives the entered information from the web form and modifies the hot melt system accordingly.
• a remote computer includes global review logic.
• Global review logic includes any suitable steps, methods, processes and/or software for accessing, storing and/or analyzing information retrieved from one or more Servers 26.
• at least one global server 108 collects and analyzes information from one or more Servers 26.
• a global server 108 is configured by manufacturer 100 to monitor one or more hot melt systems by remotely polling the Servers 26 associated with each such hot melt system.
• the global server 108 obtains information from Servers 26 by any suitable method, including but not limited to downloading one or more files relating to system operational information by using a standard httpget command.
• Global server 108 retrieves such information from a plurality of Servers 26 and optionally stores the retrieved mformation in at least one customer database 104.
• Global server 108 optionally analyzes the downloaded information on an individual system basis (i.e., by looking at information downloaded from each individual Server 26) and optionally on a multiple-system basis (i.e., by looking at information downloaded from multiple Servers 26) in order to obtain information regarding system activity, such as, e.g., determining "normal" levels of operation for a class of hot melt systems, identifying behavioral trends of systems and creating a maintenance history.
• system activity such as, e.g., determining "normal" levels of operation for a class of hot melt systems, identifying behavioral trends of systems and creating a maintenance history.

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• Engineering & Computer Science (AREA)
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• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Automation & Control Theory (AREA)
• Testing And Monitoring For Control Systems (AREA)
• Information Transfer Between Computers (AREA)
• Adhesives Or Adhesive Processes (AREA)
• Arrangements For Transmission Of Measured Signals (AREA)
• Selective Calling Equipment (AREA)
• Telephonic Communication Services (AREA)
• General Factory Administration (AREA)

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• 2004
  • 2004-10-28 WO PCT/US2004/035713 patent/WO2005045536A2/en active Application Filing
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  • 2004-10-28 JP JP2006538227A patent/JP2007510228A/ja active Pending
  • 2004-10-28 EP EP04796583A patent/EP1660959A2/en not_active Withdrawn
• 2005
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